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Siemens Desigo Room automation - Engineering, mounting and installation CM111043en_14
Smart Infrastructure Wiring of power lines 2020-10-30
Power consumption TX-I/O: Consumption data DC 24 V per I/O point
Values in mA, for DC 24 V supply sizing (max. 600 mA from the PXC3, otherwise separate power supply
module(s), for details see [7]).
Type
TXM1.8D TXM1.16D TXM1.8U TXM1.6R TXM1.6RL TXM1.8RB TXM1.8T
Intrinsic consumption
1)
25 25 35 20 25 25 10
Digital input
2)
(contact closed) 3.5 2.5 3
Analog input
3)
(Temp. sensors Ni, PT, T1)
0
Analog input
3)
(Temperature sensor NTC)
0
Analog input
3)
(Resistance)
1
Analog input (10 V)
2)
1
Digital output (relay active)
2)
8 12 8
Digital output (triac active)
2) 5)
4
Analog output (10 V)
2)
3
Unconfigured I/O point
(Reserve for later configuration)
3.5 2.5 3 8 12 8 4
1)
Including module status LED; includes LCD and all override LEDs if applicable
2)
Including I/O status LED
3)
Included in intrinsic consumption (no I/O status LED for temperature inputs)
5)
The triacs have a switch capacity of AC 24 V, 125 / 250 mA (max 500 mA for 90 s).
This power is supplied by the 24 V ~ conductor, not by the DC 24 V power supply.
Base load (without loading by field devices and triacs)
DXR2.M11
DXR2.M12P
DXR2.E12P
DXR2.M18
DXR2.E18
6 VA / 250 mA
6 VA/ 250 mA
8 VA/ 250 mA
6 VA/ 250 mA
8 VA/ 333 mA
KNX PL-Link supply
DC 29 V / max. 50 mA Max. 4 VA/ 167 mA
The bus supply can be switched off via tool if not used.
Field supply AC 24 V
DXR2.M11
DXR2.M12P
DXR2.E12P
DXR2.M18
DXR2.E18
Max. 12 VA / 500 mA
Max. 12 VA / 500 mA
Max. 12 VA / 500 mA
Max. 18 VA / 750 mA
Max. 18 VA / 750 mA
Field supply DC 24 V max. 100 mA (DXR2.E18 only) Max. 6 VA/ 250 mA
Basic Load including damper actuator
DXR1.E02…
DXR1.E09…
DXR1.E10…
DXR1.M09…
Max. 6.5 VA/ 270 mA
Max. 7 VA/ 291 mA
Max. 12 VA/ 500 mA
Max. 5 VA/ 208 mA
Power consumption
DXR2 AC 24 V
DXR1 AC 24 V